html,
body {
    height: 100%;
}

.main {
    padding-left: 2rem;
    box-sizing: border-box;
}

.aside-box {
    position: fixed;
    top: 0;
    left: 0;
    width: 2rem;
    height: 100%;
    background-color: #fafafa;
    padding-top: 0.8rem;
    box-sizing: border-box;
}




.aside-list {
    position: relative;
    height: 0.8rem;
    line-height: 0.8rem;
    font-size: 0.24rem;
    color: #424242;
    text-align: center;
}

.aside-list-active {
    font-size: 0.36rem;
    background-color: #fff;
}

.aside-list-active::after {
    content: " ";
    position: absolute;
    width: 0.08rem;
    height: 0.3rem;
    background-color: #424242;
    left: 0;
    top: 50%;
    margin-top: -0.19rem;
}

.info-con {
    float: left;
    padding: 0.25rem 0.3rem 0;
    width: 4.9rem;
    background-color: #fff;

}

.step-box {
    margin-bottom: 0.4rem;
}

.tit {
    font-size: 0.24rem;
    color: #424242;
    line-height: 0.4rem;
    margin-bottom: 0.3rem;
}
.stepImg {
    display: block;
    width: 3.08rem;
    height: 4.46rem;
    margin: 0 auto;
    box-shadow:0px 0px  5px 2px #ededed;
}